Linear Pillow Block Bearing, Inside Dia. 1/2 in, Material Aluminum, Bearing Type Plain, Body Width (In.) 1.63 in, Color Silver, Dimension a 1.63 in, Dimension A2 1.63 in, Dimension B 1.63 in, Dimension E 1.25 in, Dimension E1 1.25 in, Dimension F1 0.25 in